| Crataegus douglasii | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Rosaceae |
| Genus: | Crataegus |
| Species: | C. douglasii
|
| Binomial name | |
| Crataegus douglasii | |
| |
| Natural range of Crataegus douglasii | |
| Synonyms | |
|
C. brockwayae Sarg.[2] | |
Crataegus douglasii is a North American species of hawthorn known by the common names black hawthorn and Douglas' thornapple. It is most abundant in the Pacific Northwest.
- ^ Botanic Gardens Conservation International (BGCI) & IUCN SSC Global Tree Specialist Group (2018). "Crataegus douglasii". IUCN Red List of Threatened Species. 2018: e.T135957326A135957328. doi:10.2305/IUCN.UK.2018-2.RLTS.T135957326A135957328.en. Retrieved 2 June 2024.
- ^ Kruschke, E.P. (1965). "Contributions to the taxonomy of Crataegus". Milwaukee Public Museum Publications in Botany. 3: 11–273.
- ^ Phipps, J.B. (1995). "The identity of Crataegus columbiana and its relationship to C. piperi (Rosaceae)". Taxon. 44 (3): 405–8. doi:10.2307/1223414. JSTOR 1223414.